Roku updated its line-up of streaming media boxes, discontinuing the Roku 1, 2, 3 and 4 devices but hanging on to its $50 Roku Streaming Stick. New products for the “low-end” HD market now include the compact $30 Roku Express that has an HDMI port to connect to HDTVs and an infrared remote, and the $40 Roku Express Plus, sold exclusively at Walmart, offering a composite cable port to connect to TV sets without an HDMI port. Roku also emphasizes 4K/Ultra HD with three new players, two of which are HDR-capable. Continue reading Roku Refreshes Media Box Line-Up, Offers Ultra HD and HDR